12 Questions
Hydrogen is the heaviest element known till date.
False
When hydrogen burns, a pale blue flame and a pop sound are heard.
True
Hydrogen is highly soluble in water.
False
Sodium is at the top of the reactivity series, giving hydrogen with water.
False
Hydrogen reacts with metal oxides to form metal and oxygen.
False
Oxidation involves the removal of hydrogen and the addition of oxygen.
True
Hydrogen molecule is monovalent.
False
Nitric acid can be used to prepare hydrogen by its action on active metals.
False
Zinc can liberate hydrogen from water, acid and alkali solution.
True
Hydrogen is combustible as well as a supporter of combustion.
False
Hydrogen gas is easily liquefiable.
False
The removal of hydrogen from a substance is called reduction.
True
Prepare for your ICSE Class 8 Chemistry exam with comprehensive study material and Selina solutions by BYJU’S. Enhance your understanding of the chapter on Hydrogen and learn about the properties and uses of this first element in the periodic table.
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